Appendix G: Construction Inspection Checklists and ...
APPENDIX G: CONSTRUCTION
INSPECTION CHECKLISTS AND
CERTIFICATION TEMPLATES
Contents
Generic Certification Letter Template for Stormwater Management Facilities ...... 3
Construction Inspection Checklist: Bioretention ...................................................... 4
Construction Inspection Checklist: Urban Bioretention ¨CPlanter Box ..................... 7
Construction Inspection Checklist: Urban Bioretention ¨CTree Filter ..................... 10
Construction Inspection Checklist: Permeable Pavement ..................................... 13
Construction Inspection Checklist: Infiltration Trench ........................................... 16
Construction Inspection Checklist: Dry Well .......................................................... 18
Construction Inspection Checklist: Dry Swale ........................................................ 20
Construction Inspection Checklist: Rooftop Disconnection ................................... 23
Construction Inspection Checklist: Green / Vegetated Roof.................................. 25
Certification Letter for Rainwater Harvesting ........................................................ 27
Certification Letter for Proprietary BMP ................................................................ 28
Certification Letter for Water Quantity Control (Detention) Facility ..................... 29
March 2020
y
Review of Certifications for Stormwater Management Facilities
Projects that require Civil Engineering Plan submission
Projects that are site plans, use permit, form based code, by-right and any project that disturbs more than
1 acre, are required to submit a Certification Letter Template for Stormwater Management Facilities (page
2) in addition to record drawings, construction inspection checklists, material tickets, and photographs of
installation of any stormwater management facility constructed. These submittals should be included
in the as-built plan submitted for the project through the online portal:
?
Projects that require VA DEQ Construction General Permit (disturbs greater than 1 acre)
Projects with VA DEQ Construction General Permits are required to submit Certification Letter Template
for Stormwater Management Facilities (see page 2), construction inspection checklist, material tickets,
photographs of installation for any stormwater management facility constructed. In addition, include the
VA DEQ Construction General Permit Notice of Termination paperwork in your submission prior to
submitting to VA DEQ.
Projects that require Civil Engineering Plan submission
Civil Engineering Projects are required to submit a Certification Letter (or Certification Letter Template if
project has a CGP) in addition to record drawings, construction inspection checklists, material tickets, and
photographs of installation of any stormwater management facility constructed. These submittals should
be included in the as-built plan submitted for the project through the online portal:
. Review of the submittals will occur as part of the as-built plan
review.
Review of the submittals will occur as part of the as-built plan review.
Small projects including single family residences built separately:
Small projectsare required to submit construction inspection checklist, material tickets, and photographs
of installation for any stormwater management facility constructed. They are not required to submit a
Certification Letter Template for Stormwater Management Facilities or record drawings but must submit a
Certification Letter for the stormwater management facilities. Include final house location survey plat or
red-lined/as-built plan sheet showing locations of all stormwater management facilities installed during the
project.
Please submit entire package in one email: certification letter from professional, construction inspection
checklists, photos, and material delivery tickets to StormwaterReview@arlingtonva.us. All items should
be submitted as a complete package using a file sharing program (i.e., OneDrive) if the total package is
greater than 10MB. Submissions in multiple emails may result in a determination of an incomplete
package.
Please allow at least 10 business days prior to the desired certificate of occupancy (CO) date for the
review of the stormwater management facility certification. It is the customer¡¯s responsibility to plan ahead
to allow sufficient time for this review process. It is also in the customer¡¯s best interest to prepare a
complete, thorough, and accurate certification package. Doing so will shorten the review and approval
process, as outlined below. Otherwise, more than 10 business days may be needed before approval can
occur and the CO issued.
March 2020
Review of the certification documentation for completeness will occur within two (2) business days of
submission. If the documentation is not complete (e.g., missing data on facility dimensions, materials,
construction sequence, etc.), the customer will be notified of the deficiencies at that time. Each
resubmission will be subject to the up to two (2) business day review period for completeness to ensure
fairness to other customers already in the queue with complete documentation submissions.
After documentation is determined to be complete, the package will be reviewed and, if acceptable,
approved, or otherwise comments provided within three (3) additional business days.
Therefore, complete submissions with no deficiencies will take up to five (5) business days for review and
approval.
Please note that each subsequent submission after review will take up to two (2) additional business
days. Again, this is to ensure fairness for all customers in the review process.
March 2020
Certification Letter Template for Stormwater Management Facilities
Company Name
Address
Date
Stormwater Specialist
Department of Environmental Services
2100 Clarendon Blvd
Suite 705
Arlington, VA 22201
RE: Stormwater Management Facility (SWMF) Certification
[PROJECT NAME]
[PROJECT ADDRESS]
Arlington, VA
[BUILDING PERMIT #], [LDA#], [SWM#], [VPDES CONSTRUCTION GENERAL PERMIT#]
Dear Sir or Madam,
A stormwater management facility [INSERT TYPE OF FACILITY] was required as part of the above referenced
project dated [INSERT DATE OF ENGINEER¡¯S STAMP ON APPROVED PLANS].
Pursuant to 9VAC25-870-55 and Arlington County Code Chapter 60-8, I hereby certify that to the best of my knowledge
and belief the stormwater management facilities shown on these record drawings have been constructed in accordance
with the approved plans and specifications.
_________________________
Name
_________________________
Signature
_________________________
Virginia License
_________________________
Date
"Certify means to state or declare a professional opinion based on sufficient and appropriate
onsite inspections, material tests, as-built survey data, and information provided by other
professionals and the contractor, conducted during or after construction.¡±
Enclosures:
1. Record drawings
2. Construction Inspection Checklist
3. Material tickets
4. Photographs during installation
January 2017
Construction Inspection Checklist: Bioretention
Address/
Location:
Building
Permit #:
_____________________________
LDA Permit #: _________________________________
SWM#:
_____________________________
Contractor:
_________________________________
Certifying
Professional*: _________________________________
Telephone:
_____________________________
Telephone:
_____________________________
Final Inspection Date:
_____________________________
Date Started:
_________________________________
__________________________
*Certifying professional must be a licensed Professional Engineer (PE), Landscape Architect (LA), or Land Surveyor (LS).
The following checklist provides a basic outline of the anticipated items for the construction inspection of
bioretention facilities. This checklist does not necessarily distinguish between all the design variations and
differences in construction between the family of practices. Inspectors should review the plans carefully, and
adjust these items and the timing of inspection verification as needed to ensure the intent of the design is met.
The standard for design of this practice is based on Virginia Stormwater BMP Clearinghouse and Arlington County
Stormwater Guidance Manual.
All items should be checked when completed. Items labeled ¡°Certification of¡¡± must be crossed off,
dated and initialed by certifying inspector.
PRE-CONSTRUCTION MEETING
DATE
Identify the tentative schedule for construction and verify the requirements and schedule for interim
inspections.
All pervious areas of the contributing drainage areas have been adequately stabilized with a thick layer
of vegetation or erosion control measures are still in place and stormwater has been diverted around
the area.
Area of bioretention practice has not been impacted during construction.
Conduct a pre-construction meeting with the contractor designated to install the bioretention, the person
completing this checklist, and the County DES Stormwater Specialist inspector (schedule via
stormwaterreview@arlingtonva.us).
EXCAVATION
DATE
Area of bioretention excavation is marked and the size and location conforms to plan.
If the excavation area has been used as a sediment trap: verify that the bottom elevation of the
proposed stone reservoir is lower than the bottom elevation of the existing trap.
For Level 2 bioretention, ensure the bottom of the excavation is scarified prior to placement of stone.
Subgrade surface is free of rocks and roots, and large voids. Any voids should be refilled with the base
aggregate to create a level surface for the placement of aggregates and underdrain (if required).
No groundwater seepage or standing water is present. Any standing water is dewatered to an
acceptable dewatering device.
Excavation of the bioretention practice has achieved proper grades and the required geometry and
elevations without compacting the bottom of the excavation.
Constructed dimensions: ___________________________
Sides of excavation covered with geotextile; no tears, holes, or excessive wrinkles are present.
Bioretention | March 2020
................
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